B08_Solicitation_(Attach_1_Specifications).pdf

NATIONAL PARK SERVICE

BUFFALO NATIONAL RIVERWAV

HARRISON ARKANSAS

TYLER BEND SEWER AND LAUNCH RENOVATIONS

BUFF

PMIS NO. 218263

PROJECT SPECIFICATIONS

(100% CONSTRUCTION DOCUMENTS)

NATIONAL PARK SERVICE

MIDWEST REGION

AUGUST 24, 2023

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TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 01 07 - SEALS AND SIGNATURES

DIVISION 01- GENERAL REQUIREMENTS

01 10 00 - SHORT FORM GENERAL REQUIREMENTS

DIVISION 02 - EXISTING CONDITIONS

02 41 00-DEMOLITION

DIVISION 10 - SPECIAL TIES

10 14 00- IDENTIFICATION DEVICES

DIVISION 26 - ELECTRICAL

26 05 00 - ELECTRICAL - BASIC REQUIREMENTS

26 05 19 - WIRE AND CABLE - 600 VOLT AND BELOW

26 05 26 - GROUNDING AND BONDING

26 05 33 - RACEWAYS AND BOXES

26 05 43 - ELECTRICAL - EXTERIOR UNDERGROUND

26 08 13 - ACCEPTANCE TESTING

DIVISION 31- EARTHWORK

3110 00- SITE CLEARING

31 22 00 - SITE GRADING

31 23 33 - TRENCHING, BACKFILLING, AND COMPACTING FOR UTILITIES

31 25 00 - EROSION AND SEDIMENTATION CONTROLS

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 12 16 -ASPHALTIC CONCRETE VEHICULAR PAVING

3215 40-CRUSHED STONE SURFACING

32 16 13 - CONCRETE CURB AND GUTTER

32 91 13 - TOPSOILING AND FINISHED GRADING

32 92 00 - SEEDING, SODDING AND LANDSCAPING

32 92 19.23 - NATIVE GRASSES AND SEEDING

DIVISION 33 - UTILITIES

33 05 07 - HORIZONTAL DIRECTIONAL DRILLING

33 05 16 - PRECAST CONCRETE MANHOLE STRUCTURES

33 05 33.23 - POLYETHYLENE PRESSURE PIPE AND TUBING (A WW A C901 AND A WW A C906)

33 31 11 - GRAVITY SEWER PIPELINE AND MANHOLE CONSTRUCTION

33 32 13 - PACKAGE SEWAGE PUMPING STATION

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Table of Contents

1 DIVISION 40- PROCESS INTERCONNECTIONS

2 40 05 00 - PIPE AND PIPE FITTINGS - BASIC REQUIREMENTS

3 40 05 51- VALVES-BASIC REQUIREMENTS

4 40 05 61-GATE VALVES

5 40 05 66-CHECK VALVES

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Table of Contents

DIVISION 00

PROCUREMENT AND CONTRACTING

REQUIREMENTS

00 01 07- SEALS AND SIGNATURES

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional Engineer under the laws of the State of Arkansas.

Christopher Bailey 08/23/2023

Pages or Specifications divisions or sections covered by this seal:

Divisions: 01 , 02, 31, 32, 33, 40

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional Engineer under the laws of the State of Arkansas.

William Paul Cassity, No. 20022 08/23/2023

Pages or Specifications divisions or sections covered by this seal:

Divisions: 10, 26

END OF SEALS AND SIGNATURES

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SEALS AND SIGNATURES

DIVISION 01

GENERAL REQUIREMENTS

SECTION 0110 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART I-GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The comfort station and lift station at Tyler Bend within Buffalo National Riverway are in need of removal due to recurring flooding and maintenance issues. The comfort station, lift station, and appurtenances close to the river will be removed and a new lift station and force main installed from the remaining comfort station to the sanitary sewer system. The existing cutoff wall, riprap, and debris in the launch area will be removed as they are no functioning and have become a hazard to the users. The existing road to the launch will be reco-nfigured with a new roadway loop constructed connecting to the parking lot.

1.2 Work Covered by the Contract Documents:

A. Project Location: Buffalo National Riverway, 402 N Walnut Street, Harrison, AR, 72601. Tyler Bend, 2322 Tyler Bend Road, Marshall, AR 72675.

B. Work consists of: Install a new dual pump sewage lift station and valve vault with automatic controls/flow measurement and new force main at Tyler Bend comfort station. This Tyler Bend project also consists of constructing a new 500-foot roadway segment to connect the existing roadway with the existing parking area in a one-way loop. The existing cutoff wall, riprap and the debris in the launch area will be removed and the area will be re-graded and restored to its original condition prior to the construction of the loop. An existing restroom and the existing sewer lift station that was constructed in the flood plain of the river will be demolished and removed.

1. Demolition of the existing Tyler Bend lift station, restroom and cutoff wall.

2. New dual pump lift station to include submersible pumps, stainless steel guiderails, stainless steel hangers, chains, floats, automatic controls, flow measurement, power surge protection and motor saver protection.

3. New wet well sized for the existing and future needs. The wet well cover shall be easy to lift, be lockable and have fall safety grates incorporated within the cover.

4. New valve vault to include check valves, gate valves and cleanout Jerrel for future pigging of the force main. The valve vault shall also provide for accurate flow measurement of the sewage pumped into the sewage system.

5. New septic tank ahead of the lift station.

6. Boring a new force main connectingfrom the new lift station valve vault to the existing force main at Tyler Bend.

New 500-foot (+ or-) roadway segment at Tyler Bend.

C. All work will be performed under a single contract.

D. Period of performance: Work shall be completed within 175 calendar days of the start date provided on the Notice to Proceed. The period of performance is inclusive of 10 weather days.

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SHORT FORM GENERAL REQUIREMENTS

ITEM 2 - PROTECTING EXISTING UTILITIES

2.1 Protecting Existing Utilities: Notify Contracting Officer (CO), Contracting Officer's Representative (COR) and utility companies as required to request location services prior to and to coordinate any excavation/digging operations, and/or for demolition if within Scope of Work.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities on site or indoors. If contractor damage occurs, alert CO and COR as soon as safely possible, and repair utility at no additional expense to the Government. If damage occurs to an unknown utility, contact CO and COR as soon as safely possible.

2.3 Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated below:

A. Notify CO and COR not less than two business days in advance of proposed utility interruptions.

B. Hours for Utility Shutdowns: Shutdowns shall not exceed 2 to 3 hours. Temporary provisions will be needed by the Contractor for periods longer than stated allowance or if required for critical systems as determined by COR.

ITEM 3 - CONTRACTOR'S USE OF PREMISES

3 .1 Conduct of Operations: At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park Service, and applicable park rules and regulations prescribed by the Park Superintendent.

https:/lwww.nps.gov/buff/leam/managementlsuperintendent-s-compendium.htm

A. No signs or advertisements ( except those specified herein and as required for safety) shall be displayed on the construction site or within the park unless approved by the Contracting Officer.

B. Smoking is not permitted within any Federal building or within 25 FT of entrances, operable windows, or outdoor air intakes.

C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public.

3.2 On-Site Work Hours: Work shall be generally performed during normal business working hours of 8 a.m.

to 5 p.m., Monday through Friday, except when otherwise indicated.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the CO and COR. Submit requests for work outside of the stated normal business hours to the CO and COR for approval at least 48 hours in advance of the work.

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The following Federal holidays are observed by the National Park Service:

New Year Day Martin Luther King, Jr's Birthday Washington's Birthday Memorial Day Juneteenth National Independence Day Independence Day Labor Day Columbus Day Veterans Day Thanksgiving Day Christmas Day

0110 00- 2

B. Note: Any of the above holidays falling on a Saturday will be observed on the preceding Friday;

holidays falling on Sunday will be observed on the following Monday. The specific day that each holiday is recognized for each year can be found at the following site: Federal Holidays {opm.gov).

3.3 ContractorUseofSite:

A. General: Contractor shall have limited use of the site for construction operations. Limit use of premises to construction area as shown on site plan Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Driveways and Entrances: Keep driveways, access roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials. Schedule deliveries to minimize use of driveways and entrances.

C. Define site disturbance area, including earthwork and clearing of vegetation, to:

1. 20 feet beyond primary roadway curbs and main utility branch trenches

D. Utilities:

1. General: Cost or use charges for temporary facilities shall be included in the Contract Sum as required.

2. Water Service: Water from existing water system is not available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Use resources wisely and minimize waste of water.

3. Electric Power Service: Electric power from existing system is not available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Power may or may not meet your construction power tool requirements, provide generators if questionable. Use power in a resourceful manner and avoid excess power waste.

4. Waste Operation:

a. Toilets: Contractor provided for contracting personnel, sufficiently lighted and ventilated toilet facilities in weatherproof, sight proof, handicap accessible (if required), sturdy enclosures with privacy locks. Coordinate with COR for approved location if not shown on attached site plan.

b. Waste Removal/ Recycling: Contractor is responsible for removing all waste created by the project. Contractor shall recycle to the highest degree possible and empty dumpsters as necessary to avoid debris on site. Locate as shown on site plan or coordinated with COR.

A. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction in ways and by methods that comply with state and federal environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

B. Cleaning of Equipment: The Contractor shall ensure that prior to moving on to the Project Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds.

Ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project Area. Equipment shall be considered free of soil, seeds, and other debris when a visual inspection does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

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C. Tree and Plant Protection: Provide Tree Protection fence at drip line of trees impacted in construction area. Coordinate with COR. Restore damaged areas to original condition, repairing or replacing damaged trees and plants, at no additional expense to the Government.

D. Provide temporary barriers to protect existing trees and plants and root zones.

E. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer Representative and remove agreed-on roots and branches that interfere with construction.

F. Do not fasten ropes, cables, or guys to trees.

G. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

H. Pest Control: Follow best practices to minimize attraction and harboring ofrodents, roaches, and other pests and to perform extermination and control procedures at regular intervals so Project will be free of pests and their residues at project completion. Perform control operations lawfully, using environmentally safe materials.

I. Temporary Enclosures: Provide temporary enclosures such as snow fence as required for protection of construction in progress and completed, from access by visitors or staff, other construction operations, and similar activities.

J. Site Enclosure Fence: N/A

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project staging area noted on the plans/aerial.

Specific storage and staging area's may be discussed at the preconstruction briefing.

3.5 Preservation of Natural Features: Cutting of trees over 6" DBH is only allowed between November 15 and March 15. Coordinate with park staff to complete tree removals in that time period.

3.6 Hauling Restrictions: Contractor to verify path to site and meet state and county road requirements and height restrictions for all park work/access.

3.7 Housekeeping:

A. Keep project neat, orderly, and in a safe condition at all times.

1. Dispose of waste materials and recycling legally outside the park. The Contractor shall not use park dumpsters

B. Address Recycling: Government goal is to salvage and recycle as much nonhazardous construction waste as possible. Use sustainable methods to extent possible during this project, recycling material as is probable with local means. Maintain accurate documentary records for submittal of all recycled materials used including fly ash and slag cement.

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3.9 Photo Documentation:

A. Contractor must provide existing condition, progress, and completion photos. All photos shall be in focus, show maximum range of depth of field general photo and then close up detail photo as needed.

Shall be in JPEG digital form and submitted electronically by email or via CD-R Archival Gold or DVD-R Archival Gold media with printed labels and 8 mega pixels minimum within 7 days from time of taken or as approved by COR.

B. Existing Condition Images:

Before starting construction, take color, dated, digital images of project site and adjacent property/roads/etc. that may be impacted by construction activity/traffic. Include existing items to remain or be salvaged from different vantage points and with context for location identification.

C. Construction Progress Images:

1. Document all sub-surface work/ trenches etc. prior to backfill with photos covering enough overall field view to show location and then zoom in for details. (Locations and dimensions shall also be noted on as built drawing set.).

2. Maintain organized index for photos with date, description, etc.

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

D. Completion Images:

1. Document all completed work within scope of work.

2. Maintain organized index for photos with date, description, etc.

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

3.10 Fire and Life Safety:

A. As a minimum, conduct one weekly 15 minute "toolbox" safety meetings. These meetings shall be conducted by a foreman or supervisor and attended by all construction personnel at the worksite. Topics need to coincide with work scheduled for the following week. Document and submit meeting minutes to the CO and COR within one day after the meeting and document the meetings on the daily reports.

B. Comply with the requirements ofNFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations). Take all necessary precautions to prevent fire during construction. Provide adequate ventilation during use of volatile or noxious substances.

C. Store and handle hazardous materials in accordance with manufacturers and OSHA 29CFR1926 Subpart D requirements 19261 Occupational Safety and Health Administration (osha.gov). Maintain readily available, on site, MSDS/Safety Data Sheets (SDS) for each chemical.

1. Immediately report all spills of hazardous materials to the CO, COR, and park.

2. Maintain a spill emergency response kit.

3. Train employees how to respond to a spill and use the emergency response kit.

3 .11 Noise and Acoustics Management

A. Noise Control: Perform excavation, boring, and demolition operations to minimize noise. Perform noise producing work in less sensitive hours of the day or week as directed by the Contracting Officer or COR.

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B. Repetitive and/or intermittent, high-level noise: Permitted only during Daytime.

1. Do not exceed the following dB(A) limitations at 50 feet:

Sound Level in dB(A)

Time Duration of Impact Noise More than 12 minutes in any hour

More than 3 minutes in any hour

2. Maximum permissible construction equipment noise levels at 50 feet:

C. Ambient Noise:

EARTHMOVING

Compressors Pumps Generators dB{A)

MATERIALS HANDLING

Pneumatic Tools Saws Vibrators

1. Maximum noise levels ( dB) for receiving noise area at property line shall be as follows:

a.

b.

Residential receiving area Daytime: 65 dB Nighttime:

Commercial/Industrial receiving area:

Daytime: 67 dB Nighttime:

45dB

65 dB

ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

4.1 The Contractor shall commence work in accordance with the terms and conditions of the contract.

Contractor shall coordinate and incorporate long lead and delivery time items within the schedule.

ITEM 5 - EXAMINATION OF THE SITE

5.1 All bidders are urged to visit the job site and examine existing conditions before submitting bids.

dB(A)

Contractors will be accountable for understanding existing conditions. No cost changes for items viewable during site visit will be allowed.

ITEM 6 - ABBREVIATIONS

6.1 The list of abbreviations, standards and organizations which may be used in/referred within the Construction Specifications or Special Provisions, may be found linked from the listed page below. On the home page, follow the link under "Contracting and Procurement" labeled "NPS Reference Standards."

https://www .nps.gov/orgs/1671/ do-business-with-us.htm

ITEM 7 - ACCIDENT PREVENTION

7 .1 Description: The work of this section consists of establishing and implementing an effective accident prevention program (APP) and providing a safe environment for all personnel and visitors.

7 .2 Submittals:

A. Accident Prevention (Safety) Plan (APP): Submit a site-specific accident prevention (safety) plan. The Plan shall be written to comply with OSHA and project requirements ( a generic plan is not acceptable) including but not limited to the following:

1. Name and qualifications ofresponsible supervisor to carry out the program.

2. First aid and rescue procedures.

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3. Training, both initial and continuing.

4. Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to provide for property protection and safety of the public, National Park Service personnel, and Contractor's employees. Identify the work included under each phase, with a Job Hazard Analysis (JHA)/Job Safety Analysis (JSA), etc. A sample JHA template may be provided upon request.

5. Planning for possible emergency situations, such as cave-ins, earthquake, explosions, fires, floods, power outages, slides, and windstorms. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property.

6. Contractor to identify nearest location of medical facility for emergencies.

7. Recognition that works will be performed in remote areas with limited communication or cell phone coverage if applicable.

8. Supplemental hazard specific plans may be required IAW 29 CFR 1926 or 1910.

B. Meeting and Inspection Reports: Safety Meetings: As a minimum, conduct 15 minute "toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite. Submit a report of safety meetings and inspections to CO and COR within one day after the meeting and document the meetings on the daily reports.

7.3 Qualification of Employees:

A. Ensure that employees are physically qualified to perform their assigned duties in a safe manner to include operators of vehicles and equipment. Provide operating instructions for all equipment.

B. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

7.4 Accident Reporting: The Contractor shall report all accidents to the CO and COR as soon as safely possible and assist the CO and COR and other officials as required in the investigation of the accident.

7.5 First Aid Facilities: Provide access to facilities for the number of employees and appropriate to the hazards associated with the types of ongoing construction work at the site.

7 .6 Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

7.7 Personal Protective Equipment (PPE): It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

A. PPE must meet requirements of applicable ANSI standards. Selection shall conform to OSHA 29CFR 1926 Subpart E.

B. A hard hat use area shall be designated by the Contractor. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

C. All PPE will be serviceable at all times. At a minimum, maintain 4 sets of PPE including hard hats and all other Accident Prevention Plan required equipment.

7.8 Hazardous Materials: It shall be the responsibility of all operators and contractors, functioning within the park to properly cleanup, mitigate and remediate if necessary, all unauthorized discharges of hazardous materials or non-hazardous chemical and biological products released from fleet and/or other support vehicles or stationary sources. Response shall be consistent with guidelines established by federal, state, and local regulations, and as outlined within the operator's Safety or Hazardous Materials Business Plan.

A. If a spill, leak, or other release occurs, the operator shall as soon as possible, without impeding cleanup, notify the National Park Service Emergency Dispatch.

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ITEM 8 - PRECONSTRUCTION CONFERENCE

8 .1 If the Contracting Officer decides to conduct a preconstruction conference, the successful offeror will be notified and will be required to attend. The Contracting Officer's notification will include specific details regarding the date, time, and location of the conference, any need for attendance by subcontractors, and information regarding the items to be discussed. See Item 9.lC below.

ITEM 9 - SUBMITTALS

9 .1 General Contracting Submittal Procedures:

A. General: Prepare and submit submittals required by individual Technical Specification Sections. Types of submittals are indicated in individual specific sections.

1. CM-16 Transmittal Form: All submittals shall be transmitted via electronic email using National Park Service form CM-16 form. The form will be provided by the Contracting Officer. No action will be taken on a submittal item unless accompanied by the CM-16 transmittal form. Submit completed CM-16 forms to the CO and the COR

B. Submittal List: administrative required submittals are listed below in 9.1.C and does not include technical section submittal requirements included in each technical section.

C. Preconstruction Conference Submittal: Satisfactory evidence of liability insurance coverage and workman's compensation, and any applicable bonds, must be submitted within 10 calendar days of Notice of Award. The following items shall be submitted a minimum of one week prior to the Preconstruction Conference. If all of these documents have not been received one week prior to the scheduled Pre-Construction Conference date, the conference will be cancelled, Notice to Proceed may not be issued, and the Contracting Officer will consider other contractual remedies. Work shall not commence until written Notice to Proceed has been issued. Contracting Officer will notify Contractor of tentative date for the Pre-Construction Conference:

1. Letter designating Project Superintendent.

2. Construction Schedule. (Must include shop drawings, procurement time including long lead time items, mobilization, trade work progression and completion at minimum.)

3. A comprehensive breakdown of the Schedule of Values.

4. Accident Prevention (Safety) Plan (see section 7 of this document).

5. A list of Subcontractors for this project.

6. Written statements from subcontractors certifying compliance with applicable labor

i. standard clauses (SF1413).

7. Quality Control Plan.

8. Waste Management Plan.

9. Temporary Storm Water Pollution Prevention Plan (SWPP or UPPP) Site qualifies for automatic coverage under ADEQ permit ARR150000. Contractor must post the completed Notice of Coverage, SWPP, and inspection forms on the jobsite prior to beginning construction. Link to forms: General Stormwater Permits I DEO (state.ar.us)

10. List of Required Construction Permits. Include the following information for each permit:

a. Individual Onsite Wastewater System Permit

b. Arkansas Department of Health, Searcy County.

c. Information required from the Government to complete the permit application.

9.2 Project Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample cover sheet and a list ofrequired submittals is included in each technical specification or attached at the end of this document.

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A. Shop Drawings: Indicate all coordinating materials and work impacting the installation coordination, connection details, anchorage requirements, hardware locations, and installation details and locations.

1. Submit Shop Drawings according to Part 9.1 of this section to include one digital file (.PDF or . TIF) and two full size hardcopy documents to COR.

B. Product Data: Provide component construction and specification data sheets, anchorage requirements and any other product specific data.

1. Submit Product Data according to Part 9.1 of this section to include one digital file (.PDF or .TIF) to COR.

C. Samples: Submit 2 color samples 4" x 6" minimum in size for all color and product selections. Paint samples shall be actual paint finish drawdown for all project colors.

1. Submit Samples CM-16 Transmittal Form according to Part 9.1 of this section to include one digital file ( .PDF or . TIF) and physical samples of actual material to COR.

D. For submittals specified above, forward submittals to Contracting Officer and COR at least 15 days before need for approval (depends on length of project).

E. After approving submittals, Contracting Officer and/or COR will return one copy to the Contractor. If submittals are not approved, Contracting Officer will return all copies to Contractor with reasons for rejection. Resubmit, identifying changes. Any work done before approval shall be at Contractor's own risk.

9 .3 Approved Equals: If an item in this solicitation is identified as "brand name or equal" or lists more than 1 manufacturer, the description of the proposed item must reflect the characteristics and level of quality that will satisfy the Government's needs as demonstrated by the salient physical, functional, or performance characteristics that "equal" products must meet and/or exceed that as specified in the solicitation or relevant specification.

A. For each item proposed as an "approved equal," submit supporting data, including:

1. Drawings and samples as appropriate.

2. Comparison of the characteristics of the proposed item with that specified and with the salient characteristics provided.

3. Changes required in other elements of the work because of the substitution.

4. Name, address, and telephone number of vendor.

5. Manufacturer's literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists. Describe availability of maintenance service, and state source of replacement materials.

B. A request for approval constitutes a representation that Contractor:

1. Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2. Will provide the same warranties for the proposed item as for the item specified.

3. Has determined that the proposed item is compatible with interfacing items.

4. Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

5. Waives all claims for additional expenses that may be incurred as a result of the substitution.

C. Approved Equals will be evaluated and approved/disapproved during the submittal process.

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9 .4 Schedule of Values: Submit the Schedule of Values a minimum of one week prior to the Preconstruction Conference for COR review. Schedule of Values shall include defined work line items with cost break downs including labor, material, and equipment for COR approval.

9.5 Progress Reporting: The initial Construction Schedule and Schedule of Values are required a minimum of one week prior to the Preconstruction Conference. After the Notice to Proceed is issued and after on-site work begins, progress will be documented via daily logs and by providing an updated Construction Schedule and Schedule of Values when requested, but minimally with each pay application. Submit digital copy electronically (PDF preferred) of all required documents. Construction Schedules are normally in bar chart form and indicate estimated starting and completion dates for each part of the work. For a pay application to be reviewed and processed in a timely manner, the following information must either be submitted prior to or accompany submission of the pay application:

A. Daily/weekly progress reports during construction as part of the administration process.

B. Updated Schedule of Values: Breakdown each lump-sum item into component work activities used in the schedule, for which progress payments may be requested. The Schedule of Values will form the basis for payment. The work activities broken out within the schedule of values shall be integrated into and made a logical part of the construction baseline schedule submitted under this specification.

The total costs for the component work activities shall equal the contract price for that lump-sum item.

The Contracting Officer may request data to verify accuracy of dollar values. A sample Schedule of Values format may be provided upon request.

ITEM 10 - TEMPORARY SERVICES

10.1 It is the Contractor's responsibility to provide temporary services, equipment, tools, and skilled labor as required for the chosen means and methods to perform the work in accomplishing this Contract.

ITEM 11 - PROJECT CLOSEOUT

11.1 Description: The work of this section consists of final cleanup, closeout submittals, final inspection procedures working toward Final Acceptance.

11.2 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. Move attic stock to location coordinated with COR. At time of final inspection, project shall be thoroughly clean and ready for intended use. Inspector holds the right to reschedule if project is not ready for inspection.

11.3 Completion and Final Inspection: Contractor shall submit written certification of project completion and request a final inspection to the Contracting Officer and COR. The Contracting Officer or designee will make an inspection within 10 days ofreceipt ofrequest or at a mutually agreeable time.

A. If the work is determined to be complete following the final inspection with minor comments, the COR will prepare and provide the Contractor a Punch List noting outstanding items to be addressed.

B. If the work is not determined to be complete following the final inspection, the Contracting Officer will notify Contractor in writing, stating reasons. Contractor, after completing the work according to the Contract Documents, shall resubmit completion and request a new fmal inspection. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction contract clause.

C. Contractor shall complete the Punch List within 30 calendar days, or a time directed by the CO.

D. Once Contractor completes all items of work on the Punch List and all contractually required items are accepted, Contracting Officer will issue Letter of Final Acceptance of Work and request the final pay application.

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E. If the Contractor fails to complete the work within the time frame, the Contracting Officer may correct the work with an appropriate reduction in contract price or charge for re-inspection costs in accordance with the Inspection of Construction contract clause.

F. Disposition of any permits and warranties required by the specifications in this section.

11.4 Final Acceptance of the Work: After all punch list deficiencies have been corrected, a Letter of Final Acceptance will be issued. A Release of Claims document must be executed and submitted to the Contracting Officer before final payment can occur.

11.5 Warranties

A. Construction Warranty shall be based on date of final acceptance of the work and remain in effect for one year.

B. Provide all manufacturer warranty information of products installed organized by Division. All contact information, extent of coverage and conditions shall be clearly noted as well as date of overall final acceptance.

C. Information shall include operation and maintenance manuals for each warranted product.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXCUTION (NOT USED)

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END OF SECTION

01 10 00- 11

DIVISION 02

EXISTING CONDITIONS

SECTION 02 41 00 - DEMOLITION

PART I -GENERAL

1.1 SUMMARY

A. Section Includes:

1. General provisions applicable to all demolition and removals.

2. Civil/site demolition and removals.

3. Architectural and structural demolition and removals.

4. Mechanical demolition and removals.

5. Electrical demolition and removals.

6. Disposal of demolition debris, materials, and equipment.

B. Scope:

1. Contractor shall provide all labor, materials, equipment, tools, and incidentals as shown, specified and required for demolition, removals, and disposal Work.

2. The Work under this Specifications section includes, but is not necessarily limited to:

a. Demolition and removal of existing materials and equipment as shown or indicated in the Contract Documents. The Work includes demolition of structural concrete, foundations, walls, doors, windows, structural steel, metals, roofs, masonry, attachments, appurtenances, piping, electrical and mechanical systems and equipment, pavement, curbs, sidewalks, gutters, fencing, and similar existing materials, equipment, and items.

b. Demolition and removal of all above-grade piping and facilities and Underground Facilities underneath, building(s) and structures shown or indicated for demolition, unless the Underground Facilities or above-grade facilities are shown or indicated as to remain.

c. Remove from slabs, foundations, walls, and footings that are to be demolished all utilities and appurtenances embedded in such construction.

3. Demolitions and removals indicated in other Specifications sections shall comply with requirements of this Specifications section.

4. Perform demolition Work within areas shown or indicated.

5. Pay all costs associated with transporting and, as applicable, disposing of materials and equipment resulting from demolition and removals Work.

C. Related Requirements:

1. Section 31 10 00 - Site Clearing.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

BUFF - 218263 02 41 00- 1

DEMOLITION

1. National Fire Protection Association (NFPA):

a. 241, Safeguarding Construction, Alteration, and Demolition Operations.

B. Regulatory Requirements:

1. Demolition, removals, and disposal Work shall be in accordance with 29 CFR

1926.850 through 29 CFR 1926.860 (Subpart T - Demolition), and all other Laws and Regulations.

2. Comply with requirements of Authorities Having Jurisdiction.

C. Qualifications:

1. Electrical Removals: Entity and personnel performing electrical removals shall be electrician(s) legally qualified to perform electrical construction and electrical work in the jurisdiction where the Site is located.

2. Plumbing Removals: Entity and personnel performing plumbing removals shall be plumber(s) legally qualified to perform plumbing construction and plumbing work in the jurisdiction where the Site is located.

1.3 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Review procedures under this and other Specifications sections and coordinate the Work that will be performed with or before demolition and removals.

1.4 SUBMITT ALS

A. Informational Submittals: Submit the following:

1. Procedure Submittals:

a. Demolition and Removal Plan: Not less than ten days prior to starting demolition Work, submit acceptable plan for demolition and removal Work, including:

1) Plan for coordinating shut-offs, capping, temporary services, and continuing utility services.

2) Other proposed procedures as applicable.

3) Equipment proposed for use in demolition operations.

4) Recycling/disposal facility(ies) proposed, including facility owner, facility name, location, and processes. Include copy of appropriate permits and licenses, and compliance status.

5) Planned demolition operating sequences.

6) Detailed schedule of demolition Work in accordance with the

Schedule accepted by Engineer.

2. Notification oflntended Demolition Start: Submit in accordance with Paragraph 3 .1.A of this Specifications Section.

BUFF- 218263 02 41 00- 2

3. Qualifications Statements:

a. Name and qualifications of entity performing electrical removals, including copy of licenses required by Authorities Having Jurisdiction.

b. Name and qualifications of entity performing plumbing removals,

1.5 SITE CONDITIONS

A. Owner makes no representation of condition or structural integrity of area(s) to be demolished or where removals are required by the Contract Documents.

PART 2 - PRODUCTS - (NOT USED)

PART 3 - EXECUTION

3.1 PREPARATION

A. Notification:

1. Not less than 48 HRS prior to commencing demolition or removal, advise COR in writing of planned start of demolition Work. Do not start removals without permission of COR.

2. Where demolition or removals has potential to affect adjacent properties, occupants, streets, or other public thoroughfare, transportation facilities, and utilities, furnish required notices to Owners and occupants of properties, buildings, and structures that may be affected by the demolition of removal.

3. In accordance with Laws and Regulations, furnish to Authorities Having Jurisdiction, including emergency services as necessary, appropriate notices of planned demolition and removals.

4. Submit to COR copies of notices furnished to adjacent property owners, occupants, and Authorities Having Jurisdiction.

B. Protection of Adjacent Areas and Facilities:

1. Perform demolition and removal Work in manner that prevents damage and injury to property, structures, occupants, the public, and facilities. Do not interfere with use of, and free and safe access to and from, structures and properties unless allowed by the Contract Documents otherwise allowed in writing by Owner.

2. Closing or obstructing of roads, drives, sidewalks, and passageways adjacent to the Work is not allowed unless indicated otherwise in the Contract Documents.

Conduct the Work with minimum interference to vehicular and pedestrian traffic.

BUFF - 218263 02 41 00- 3

3. Provide temporary partitions between demolition work areas and (a) areas that will be occupied during demolition and removals, and (b) areas accessible to the public or visitors. Temporary partitions shall be sturdy, braced plywood in good condition, of dimensions sufficient to adequately screen demolition work from view of occupants, public, and visitors. Maintain temporary partitions in place until demolition and removals work in the subject area is complete or until other Work requires removal of temporary partitions.

4. Provide appropriate temporary barriers, lighting, sidewalk sheds, and other necessary protection.

5. Repair damage to facilities that are to remain which such damages results from Contractor's operations.

C. Existing Utilities: In addition to requirements of the General Conditions, Supplementary Conditions, and Division O 1 Specifications, perform the following:

1. Should unforeseen, unknown, or incorrectly shown or indicated Underground Facilities be encountered, Contractor responsibilities shall be in accordance with the General Conditions as may be modified by the Supplementary Conditions.

Cooperate with utility owners in keeping adjacent services and facilities in operation.

2. Sanitary Sewerage: Before proceeding with demolition, locate and cap all sewer lines and service laterals discharging from the building or structure being demolished.

3. Storm Water Sewerage: Existing storm water system shall remain in place until demolition of existing building or structure is complete. Upon completing demolition, cut and cap storm sewerage at locations shown on the Drawings.

Remove existing storm water piping and related structures between points of cutting, and backfill, restore to grade, and stabilize the area over the removed facilities in accordance with the Contract Documents.

4. Water Piping and Related Facilities: Before proceeding with demolition, locate and cap all potable and non-potable waterlines and service laterals serving the building or structure being demolished. Ensure compliance with Laws and Regulations regarding water quality.

5. Other Utilities: Before proceeding with demolition, locate and cap as required all other utilities, such as fuel and gas; compressed air; heating, ventilating, and air conditioning; electric; and communications; and service laterals serving the building or structure being demolished.

6. Shutdown of utility services shall be coordinated by Contractor, assisted by Owner as required relative to contacting utility owners.

D. Remediation:

1. If unanticipated Hazardous Environmental Condition is believed to be encountered during demolition and removals, comply with requirements of the General Conditions, as may be modified by the Supplementary Conditions.

BUFF- 218263 02 41 00- 4

3.2

A.

B.

DEMOLITION - GENERAL

Locate construction equipment used for demolition Work and remove demolished materials and equipment to avoid imposing excessive loading on supporting and adjacent walls, floors, framing, facilities, and Underground Facilities.

Pollution Controls:

1. Use water sprinkling, temporary enclosures, and other suitable methods to limit emissions of dust and dirt to lowest practical level. Comply with Division 01 Specifications, and Laws and Regulations.

2. Do not use water when water may create hazardous or objectionable conditions such as icing, flooding, or pollution.

3. Clean adjacent structures, facilities, properties, and improvements of dust, dirt, and debris caused by demolition Work, in accordance with the General Conditions.

C. Explosives:

1. Explosives are not allowed at the Site. Do not use explosives for demolition and removal Work.

D. Building or Structure Demolition and Removals:

1. Unless otherwise approved by COR, proceed with demolition from top of building or structure to the ground. Complete demolition Work above each floor or tier before disturbing supporting members of lower levels.

2. Demolish concrete and masonry in small sections.

3. Remove structural framing members and lower to ground using hoists, cranes, or other suitable methods. Do not throw or drop to the ground.

4. Break up and remove foundations, mats, and slabs-on-grade unless otherwise shown or indicated as remaining in place.

5. Temporary Bracing and Supports:

a.

b.

C.

Provide temporary bracing and supports sufficient to maintain safety, stability, and resist all loads to which the structure may be subject during demolition and removals, until entirety is permanently removed or permanently stabilized.

Temporary bracing and supports shall be sufficient for associated dead load, live load, transient loading, and dynamic loads such as wind, seismic, and other loads to which the temporary bracing or support may be subject.

Where appropriate, retain a professional structural engineer, duly licensed and registered in the same jurisdiction as the Site, to design temporary bracing and supports.

BUFF - 218263 02 41 00- 5

E. Salvage and Ownership:

1. Materials and equipment to remain Owner's property shall be:

a. Carefully removed and appropriately handled by Contractor to avoid damage and invalidation of warranties in effect. Brace motors attached to flexible mountings until reinstallation or delivery to Owner's storage location. Fully remedy to pre-construction condition or replace items damaged during removal or handling by Contractor.

b. Removed as functional units, together with all appurtenances required for operation.

c. Cleaned, listed, and tagged for storage.

d. Protected from damage.

e. Delivered to designated storage location at the Site or other site indicated in the Contract Documents, at place designated by Engineer or Owner.

2. Items to be and delivered to Owner are as indicated in Table 02 41 00-A.

Table 02 41 00-A-ltems to be Salva2ed Equipment Name/ Equipment Location Deliver to Owner's Location

Designation

Lift Station Control Panels North Comfort Station TBD

Lift Station Pumps North Comfort Station TBD

3. Preparation of Owner's existing equipment for storage:

BUFF - 218263

a.

b.

C.

d.

e.

f.

g.

h.

i.

J.

Where appropriate, identify each component with markings or tags to indicate its position in the assembly and the assembly of which it is part.

Place small parts in appropriate, durable boxes and clearly mark contents on the outside of box or container.

Remove oil from oil-lubricated bearings and gear boxes and replace with storage oil.

Grease grease-lubricated bearings.

Replace breather plugs with solid plugs.

Megger-test motor windings: Attach report of the test results to the associated motor and submit copy to Engineer.

Attach unit to suitable crate bottom.

Enclose unit in polyethylene film and seal all seams and the film to the base of the unit with tape.

Construct crate of wood slats around top and sides of unit.

Attach permanent instruction tag to outside of crate stating "This unit has been prepared for storage. Replace oil, vent plugs, and lubricant in accordance with manufacturer's instructions before start-up."

02 41 00- 6

3.3

3.4

A.

B.

STRUCTURAL REMOVALS

Remove structures to lines and grades shown or indicated, unless otherwise directed by COR. Where limits are not shown or indicated, limits shall be four inches outside item to be installed. Removals beyond limits shown or indicated shall be at Contractor's risk and expense and such excess removals shall be reconstructed to satisfaction of COR without additional cost to Owner.

Recycling and Reuse of Demolition Materials:

1. All concrete, brick, tile, masonry, roofing materials, reinforcing steel, structural metals, miscellaneous metals, plaster, wire mesh, and other items contained in or upon building or structure to be demolished shall be removed, transported, and disposed of away from the Site, unless otherwise approved by COR.

2. Do not use demolished materials as fill or backfill adjacent to structures, in pipeline trenches, or as subbase under structures or pavement.

C. After removing concrete and masonry walls or portions thereof, mats, slabs, and similar construction that ties into the Work or to existing construction, neatly repair the junction point to leave exposed only finished edges and finished surfaces.

D. Removal of Anchorages and Protruding Metals:

E.

A.

1. Where equipment or material anchored to concrete or masonry are removed and anchors are not to be re-used, and where existing metals ( and to be removed) protrude from concrete, remove the anchors and other metal to not less than 1.5 IN beneath surface of concrete or masonry member. Repair the resulting hole, using repair mortar for concrete and grout for masonry, to be flush with the surface.

2. Alternately, when the anchor is stainless steel, the anchor may be cut flush with the surface of the concrete or masonry, when so approved by COR.

Where anchoring materials, including bolts, nuts, hangers, welds, and reinforcing steel, are required to attach the Work to existing construction, provide such materials under this Specifications section, unless specified elsewhere in the Contract Documents.

MECHANICAL REMOVALS

Mechanical demolition and removal Work includes dismantling and removing existing:

1. Piping systems and ductwork systems.

2. Mechanical equipment and appurtenances.

3. Mechanical elements of instrumentation and control systems, such as sensors and transmitters and similar items.

4. Mechanical removals include cutting and capping as required,; Specifications sections in which requirements for coordination with Owner's operations are indicated; and applicable Specifications of Division 40 - Process Interconnections, and others as applicable.

BUFF- 218263 02 41 00- 7

5. Mechanical removals as required herein apply to systems exposed to view, hidden from view, and Underground Facilities. Mechanical removals may require work in spaces that may be classified confined spaces.

B. Demolition and Removals of Piping, Ductwork, and Similar Items:

1. Scope:

a. Safety purge piping and tanks ( as applicable) of chemicals, fuel, solids, liquids, and gases (as applicable) and make safe for…